FOXO1 and Angiogenesis in Gastric Cancer
Author Information
Author(s): Kim Sue Youn, Yoon Jiyeon, Ko Young San, Chang Mee Soo, Park Jong-Wan, Lee Hee Eun, Kim Min A, Kim Ji Hun, Kim Woo Ho, Lee Byung Lan
Primary Institution: Seoul National University College of Medicine
Hypothesis
The study investigates the correlation between the expression of phosphorylated FOXO1 and angiogenesis in gastric cancer.
Conclusion
The study suggests that pFOXO1 expression in cancer cells plays a role in gastric cancer angiogenesis via mechanisms involving various angiogenesis-related molecules.
Supporting Evidence
- 85% of gastric carcinoma cases showed cytoplasmic expression of pFOXO1.
- pFOXO1 expression was positively associated with higher microvessel area (MVA).
- pFOXO1 expression correlated with the expressions of HIF-1α, VEGF, pAKT, and NF-κB.
Takeaway
This study found that a protein called pFOXO1 in stomach cancer cells is linked to the growth of blood vessels in tumors, which helps the cancer grow.
Methodology
Immunohistochemistry was performed on tissue array slides containing 272 gastric carcinoma specimens, and in vitro analyses were conducted using a stable gastric cancer cell line.
Limitations
Animal experiments are needed to confirm the anti-angiogenic role of FOXO1 in human gastric cancer.
Participant Demographics
Mean age of patients was 54.8 years, with 93.3% having undergone curative resection.
Statistical Information
P-Value
P = 0.048
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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